28881680

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{211}}^1$

素因数の和:312

約数の個数: 80

約数和(自身を含む): 70977600

約数和(自身を除く): 42095920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 59, 80, 116, 118, 145, 211, 232, 236, 290, 295, 422, 464, 472, 580, 590, 844, 944, 1055, 1160, 1180, 1688, 1711, 2110, 2320, 2360, 3376, 3422, 4220, 4720, 6119, 6844, 8440, 8555, 12238, 12449, 13688, 16880, 17110, 24476, 24898, 27376, 30595, 34220, 48952, 49796, 61190, 62245, 68440, 97904, 99592, 122380, 124490, 136880, 199184, 244760, 248980, 361021, 489520, 497960, 722042, 995920, 1444084, 1805105, 2888168, 3610210, 5776336, 7220420, 14440840, 28881680]

約数ペア:

[(1, 28881680), (2, 14440840), (4, 7220420), (5, 5776336), (8, 3610210), (10, 2888168), (16, 1805105), (20, 1444084), (29, 995920), (40, 722042), (58, 497960), (59, 489520), (80, 361021), (116, 248980), (118, 244760), (145, 199184), (211, 136880), (232, 124490), (236, 122380), (290, 99592), (295, 97904), (422, 68440), (464, 62245), (472, 61190), (580, 49796), (590, 48952), (844, 34220), (944, 30595), (1055, 27376), (1160, 24898), (1180, 24476), (1688, 17110), (1711, 16880), (2110, 13688), (2320, 12449), (2360, 12238), (3376, 8555), (3422, 8440), (4220, 6844), (4720, 6119)]